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SECTION 3 PLACARDS AND LABELS. SECTION 4 DOT EMERGENCY RESPONSE GUIDEBOOK. SECTION 5 NFPA 704 M. NFPA 704M SYSTEM. Fixed facilities only Sometimes found on individual containers in transportation Usually adopted as city ordinance but rarely enforced . RELATIVE HAZARD.
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NFPA 704M SYSTEM • Fixed facilities only • Sometimes found on individual containers in transportation • Usually adopted as city ordinance but rarely enforced
RELATIVE HAZARD 5 DEGREES OF HAZARD 0 NONE 1 SLIGHT 2 MODERATE 3 EXTREME 4 SEVERE
HEALTH • The blue section corresponds to the relative health hazard • 2 or greater calls for an SCBA 2
FLAMMABILITY • Red indicates the degree of flammability • 4 is reserved for compressed and or liquefied gases 4
REACTIVITY • More accurately describes stability • Also has relation to water reactivity 4
SPECIAL HAZARDS • Indicates any special hazards that are not shown by color • water reactive- W • radioactive- propeller • corrosive- COR • polymerization- P • oxidizer- OXY